Try looking here . . . .
libraries / joomla / application / application.php
<blockquote>
->getCfg(‘cookie_path’, ‘/’); setcookie( JUtility::getHash(‘JLOGIN_REMEMBER’), $rcookie, $lifetime, $cookie_path, $cookie</blockquote>
Also, you may want to review and read through the comments within the file IDENTIFIED HERE
As a general rule, however, it’s not the best idea to disable cookies for your site. You can’t sign into Facebook, your bank, or even *visit* Google.com without a cookie being set, so an antivirus program should definitely not be “complaining” about cookies.
It may be more of an issue with the particular antivirus program(s) configurations/settings.